
Postal Code 17521 - Elm, Pennsylvania, United States
Postal Code: 17521
Postal System Details
Postal Authority
United States Postal Service (USPS)
Postal System
Five-digit ZIP Code with optional ZIP+4
Region Structure
State → County → City/Town → Delivery Route
Area Information
The postal code 17521 is part of the U.S. ZIP Code system, developed and managed under the operational framework of the United States Postal Service (USPS), the national postal authority for United States. ZIP codes follow the five-digit format X X X X X, with an optional ZIP+4 extension X X X X X–X X X X. A general ZIP pattern example is 9 0 0 X X (illustrative only). The first digit identifies the broad region, the next two define the sectional center facility (SCF), and the final digits specify the local delivery route. This code corresponds to Elm in Pennsylvania, located near coordinates 40.2044 and -76.3464. U.S. routing typically follows State → County → City/Town → Delivery Route. Example flow: - State: Pennsylvania - County: (Example: Central County District) - City/Town: Elm - Delivery Route: Determined by the final digits This page reflects USPS routing principles. All examples are illustrative and not the actual assignment for 17521. For accurate verification, ensure the city and county match Elm, Pennsylvania, United States.
Country:
United States
State:
Pennsylvania
Area:
Elm
Postal Code:
17521
Latitude:
40.2044
Longitude:
-76.3464
Frequently Asked Questions
1. What area does the ZIP code 17521 cover?
It represents the delivery area assigned to Elm in Pennsylvania, under USPS routing.
2. How do U.S. ZIP Codes work?
They follow X X X X X or ZIP+4, identifying region, SCF, and delivery route.
3. Can 17521 verify an address?
Yes, if the city and county match Elm, Pennsylvania, United States.
4. Which authority manages ZIP Codes in the United States?
The United States Postal Service (USPS) manages all ZIP Code routing and assignments.
